The Microscope. 



121 



fluids. When sections are to be stained on the slide the albumen- 

 fixative is preferred to collodion. The mixture is prepared as follows : 

 White of egg, - - - - 50 gms. 



Glycerine - - - - - - 50 " 



Sodium Salicylate - - - - 1 " 



These ingredients are mixed and thoroughly shaken together, 

 then filtered and kept in a well-cleaned bottle. Mayer has kept 

 this mixture three years in a good condition. Other antiseptics 

 have proved less efficient than salicylate of sodium. — American. 

 Naturalist. 



ABSTRACTS. 



FLOSCULARIA ANNULATA. 



TN a recent number of Science Gossip Mr. John Hood describes 

 -*- this floscule, first discovered by him in 1882, in a marsh pool at 

 Tents Muir, Fifeshire, Scotland. Length of adultf ^^ to -^V inch. 

 The corona is a hemispherical cup, the edges of which are cut into 

 three unequal lobes, that on the dorsal side being the largest The 

 tips of the lobes only are crowned with short setae (Fig. 1-2), which 

 distinguish this floscule from F. Trilobata and F. Hoodii. A little 

 below the corona are three rings (r), from which the floscule takes 

 its name. At the bottom of the corona, just under the third ring, is 

 the vestibule (u), where is visible a concollar, with a horse-shoe 



^^i.x 



Side View. 



Ventral View. 



